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The goal of this paper is to present WebPrisma, a Web information visualization tool still in development. The application supports multiple coordinated views including three visualization techniques - scatter plot, treemap and parallel coordinates - and auxiliary charts. WebPrisma supports view coordination by color, filter, selection, brushing and details on-demand. Standard Web technologies and...
The goal of this paper is to present a Web based information visualization application with the use of Silverlight technology. We have chosen this technology to better use the processing power of the client application in order to support the use of advanced interactions and the same interface components of a desktop application.Also, the information visualization application uses multiple coordinated...
The use of information visualization tools that support multiple coordinated views for data exploration and analysis has become more frequent. However, few usability studies have focused this group of tools. The goal of this paper is to perform usability experiments with tools supporting multiple coordinated views on the same screen, in separate screens and tools that support each technique individually...
Getting to know clients and their behavior is essential in the growing process of any company that searches for improvement and business opportunities. One of the ways to discover more about their clientspsila behavior is to analyze the history of their transactions with the company or partners. The amount of transactions is often huge, what demands tools that help explore and analyze data in search...
This paper presents a data analysis tool for mobile devices. Coordinated views are used to enhance the user's perception over data and diminish the difficulties caused by the lack of resources these mobiles present, specially when it comes to display size. The tool was totally developed in JavaME, what guarantees portability, scalability and code reuse. It presents two visualization techniques, implemented...
Information Visualization techniques have been successfully used to build visual and interactive analysis of data and data relationships. One of its possible areas of application is computer network monitoring and traffic analysis. The analysis of the internal behavior of a company with high demand for Internet services helps to determine if the company is competing with its own clients over the available...
This paper presents EDACluster, an estimation of distribution algorithm (EDA) applied to the clustering task. EDA is an evolutionary algorithm used here to optimize the search for adequate clusters when very little is known about the target dataset. The proposed algorithm uses a mixed approach - density and grid- based - to identify sets of dense cells in the dataset. The output is a list of items...
The paper presents a prototype that implements multiple coordinated views to information visualization in augmented reality environments. Augmented reality provides more intuitive and easy interaction. It also reduces the limitations of visualization and enhances the collaborative aspect. A modified version of ARToolKit has been used to create the augmented environment, and the 3D scatter plot technique...
Information visualization techniques have been successfully used to build visual and interactive analysis of data and data relationships. However, dimensionality, volume and diversity make it difficult for a single technique to completely solve the problem. Information visualization tools that support multiple coordinated views allow the user to better understand the dataset by providing different...
This paper presents a prototype for information visualization in an augmented reality environment. The prototype allows users to perform common tasks in desktop information visualization tools, such as data dynamic filters, attribute selection, semantic zoom and details on demand. Such tasks are seldom available in AR environments. We used a customized version of ARToolKit, a software tool that allows...
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